Re: Re: kernel crash with integrating the
- To: mathgroup at smc.vnet.net
- Subject: [mg104913] Re: [mg104854] Re: [mg104833] kernel crash with integrating the
- From: George Woodrow III <georgevw3 at mac.com>
- Date: Fri, 13 Nov 2009 05:53:54 -0500 (EST)
- References: <200911110927.EAA29333@smc.vnet.net>
I do confirm the crash on my iMac (OS X 10.6.2, Mathematica 7.0.1). It forces the kernel to quit.
The fix also works.
george
On Nov 12, 2009, at 6:00 AM, Leonid Shifrin wrote:
> Hi Sjoerd,
>
> I do confirm the crash (M7.0, WinXp 32). The following seems to help:
> redefine your function to guard against non-numerical arguments as
>
> In[1] :=
>
> Clear[sp1,x];
> sp1[x_?NumericQ] = D[sp[x], x];
>
> In[2]:= NIntegrate[sp1[x], {x, -9, 4}]
>
> Out[2]= 12.5726
>
> Regards,
> Leonid
>
>
> On Wed, Nov 11, 2009 at 12:27 PM, Sjoerd C. de Vries <
> sjoerd.c.devries at gmail.com> wrote:
>
>> Hi all,
>>
>> The following leads to a consistent crash on my PC:
>>
>> tbl =
>> {{3.7372349521625203`, 7.8999536564180906`}, {-1.5683136806862397`,
>> 3.549628027104541`}, {-9.326537784015741`, -5.7268546790245844`},
>> {-6.8805945246545`, 6.849090400951159`}}
>>
>> sp = Interpolation[tbl, Method -> "Spline"];
>>
>> sp1[x_] = D[sp[x], x];
>>
>> NIntegrate[sp1[x], {x, -9, 4}].
>>
>> Same on yours?
>>
>> Cheers -- Sjoerd
>>
>>
>
>
- References:
- kernel crash with integrating the derivative of an Interpolation
- From: "Sjoerd C. de Vries" <sjoerd.c.devries@gmail.com>
- kernel crash with integrating the derivative of an Interpolation